Tue, 06 Jan 2015 21:39:09 +0100
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
michael@0 | 1 | /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- |
michael@0 | 2 | * This Source Code Form is subject to the terms of the Mozilla Public |
michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
michael@0 | 5 | |
michael@0 | 6 | #ifndef MOZILLA_GFX_SCALEDFONTBASE_H_ |
michael@0 | 7 | #define MOZILLA_GFX_SCALEDFONTBASE_H_ |
michael@0 | 8 | |
michael@0 | 9 | #include "2D.h" |
michael@0 | 10 | |
michael@0 | 11 | // Skia uses cairo_scaled_font_t as the internal font type in ScaledFont |
michael@0 | 12 | #if defined(USE_SKIA) || defined(USE_CAIRO) |
michael@0 | 13 | #define USE_CAIRO_SCALED_FONT |
michael@0 | 14 | #endif |
michael@0 | 15 | |
michael@0 | 16 | #ifdef USE_SKIA |
michael@0 | 17 | #include "skia/SkPath.h" |
michael@0 | 18 | #include "skia/SkTypeface.h" |
michael@0 | 19 | #endif |
michael@0 | 20 | #ifdef USE_CAIRO_SCALED_FONT |
michael@0 | 21 | #include "cairo.h" |
michael@0 | 22 | #endif |
michael@0 | 23 | |
michael@0 | 24 | class gfxFont; |
michael@0 | 25 | |
michael@0 | 26 | namespace mozilla { |
michael@0 | 27 | namespace gfx { |
michael@0 | 28 | |
michael@0 | 29 | class ScaledFontBase : public ScaledFont |
michael@0 | 30 | { |
michael@0 | 31 | public: |
michael@0 | 32 | MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(ScaledFontBase) |
michael@0 | 33 | ScaledFontBase(Float aSize); |
michael@0 | 34 | virtual ~ScaledFontBase(); |
michael@0 | 35 | |
michael@0 | 36 | virtual TemporaryRef<Path> GetPathForGlyphs(const GlyphBuffer &aBuffer, const DrawTarget *aTarget); |
michael@0 | 37 | |
michael@0 | 38 | virtual void CopyGlyphsToBuilder(const GlyphBuffer &aBuffer, PathBuilder *aBuilder, BackendType aBackendType, const Matrix *aTransformHint); |
michael@0 | 39 | |
michael@0 | 40 | float GetSize() { return mSize; } |
michael@0 | 41 | |
michael@0 | 42 | #ifdef USE_SKIA |
michael@0 | 43 | virtual SkTypeface* GetSkTypeface() { return mTypeface; } |
michael@0 | 44 | #endif |
michael@0 | 45 | |
michael@0 | 46 | // Not true, but required to instantiate a ScaledFontBase. |
michael@0 | 47 | virtual FontType GetType() const { return FontType::SKIA; } |
michael@0 | 48 | |
michael@0 | 49 | #ifdef USE_CAIRO_SCALED_FONT |
michael@0 | 50 | cairo_scaled_font_t* GetCairoScaledFont() { return mScaledFont; } |
michael@0 | 51 | void SetCairoScaledFont(cairo_scaled_font_t* font); |
michael@0 | 52 | #endif |
michael@0 | 53 | |
michael@0 | 54 | protected: |
michael@0 | 55 | friend class DrawTargetSkia; |
michael@0 | 56 | #ifdef USE_SKIA |
michael@0 | 57 | SkTypeface* mTypeface; |
michael@0 | 58 | SkPath GetSkiaPathForGlyphs(const GlyphBuffer &aBuffer); |
michael@0 | 59 | #endif |
michael@0 | 60 | #ifdef USE_CAIRO_SCALED_FONT |
michael@0 | 61 | cairo_scaled_font_t* mScaledFont; |
michael@0 | 62 | #endif |
michael@0 | 63 | Float mSize; |
michael@0 | 64 | }; |
michael@0 | 65 | |
michael@0 | 66 | } |
michael@0 | 67 | } |
michael@0 | 68 | |
michael@0 | 69 | #endif /* MOZILLA_GFX_SCALEDFONTBASE_H_ */ |